Description
The refill Frixion Ball, from Pilot, with a line width of 0.7 mm is suitable for the Frixion Ball, Frixion Ball slim, as well as the Frixion Ball Pro. The ink becomes invisible due to heat exposure, and only appears again when the cold is influenced. This is a metamorphic ink. Please note that this ink is not indelible. The leads come in a set of 3.


